Tornado API Simple Template

# installation

Pip Insatll tornado

# main File web_server.py

#!/usr/bin/env python#Encoding:utf-8ImportTornado.httpserverImporttornado.optionsImportTornado.web fromTornado.optionsImportdefine,optionsImportSys,os,re fromApicodeImportapicodereload (SYS) sys.setdefaultencoding ('Utf-8')#define default call port to 8088Define"Port", default=8088,help="run on the given port", type=int)#Verification Code Demo DemoclassVcodehandler (tornado.web.RequestHandler):#GET Request    defGet (self): result= Self.get_argument ("result", {}) City= Self.get_argument (' City', u'Chongqing') Self.render ("input_code.html", City=city, result=result)#POST Request    defpost (self): result= {'Code': 0,'msg':'Success','result':"'}                #Get ParametersCity = Self.get_argument (' City','CQ') Method= Self.get_argument ('Method','LR') Detail= eval (self.get_argument ('Detail', False)) Imgurl= Self.get_argument ('Imgurl',"') Imgfile= Self.request.files.get ('Imgfile', []) fname="'        #URL Method        ifImgurl andRe.search ('.+\. (jpg|png|bmp|gif)', Imgurl): fname='./static/uploads/%s'% Imgurl.split ('/') [-1] result['result']=Vcode.predict_url (city, Imgurl, Detail, method)#How to upload files        elifImgfile: forImginchImgfile:with Open ('./static/uploads/'+ img['filename'],'WB') as Fw:fw.write (img['Body']) fname='./static/uploads/'+ img['filename'] result['result'] =vcode.predict (city, fname, Detail, method)Else: ErrorMsg="Upload Verification Code picture file error or URL picture format is incorrect"result['Code'] ='-1'result['msg'] =errormsg Self.render ("output_code.html", City=city, Source=fname, Detail=detail, Method=method, result=result)#Captcha Call APIclassVcodeapihandler (tornado.web.RequestHandler):defGet (self): result= {'Code': 1000,'msg':'Call parameter error, please use POST request, City & Imgfile parameter','result':'instruction for use: Http://gitlab.tangees.com/miaoweihong/verify-code'} json_result=Tornado.escape.json_encode (Result) self.write (Json_result)defpost (self): result= {'Code': 0,'msg':'Success','result':"'} City= Self.get_argument (' City','CQ') Method= Self.get_argument ('Method','LR') Detail= eval (self.get_argument ('Detail', False)) Imgfile= Self.request.files.get ('Imgfile', [])        ifImgfile: forImginchImgfile:with Open ('./static/uploads/'+ img['filename'],'WB') as Fw:fw.write (img['Body']) fname='./static/uploads/'+ img['filename']                Try: result['result'] =vcode.predict (city, fname, Detail, method)exceptException as e:result['Code'] = 1001result['msg'] ='Error Uploading file contents'+Str (e)Else: result['Code'] = 1002result['msg'] ='No file content'        #return JSON resultsJson_result =Tornado.escape.json_encode (Result) self.write (Json_result)classTesthandler (tornado.web.RequestHandler):defGet (self): Self.write ('Hello, Jkmiao.')if __name__=="__main__":        #introduce a self-defined moduleVcode =Apicode () tornado.options.parse_command_line () app=tornado.web.Application (Handlers= [(R'/vcode', Vcodehandler), (R'/vcodeapi', Vcodeapihandler)],#URL MatchingTemplate_path = Os.path.join (Os.path.dirname (__file__),"Templates"),#Define the View page address, put the HTML fileStatic_path = Os.path.join (Os.path.dirname (__file__),"Static"),#define static templates, put Css,js and other filesDebug=true,#is the debug modeAutoescape=none,#do not set escape characters) Http_server=tornado.httpserver.HTTPServer (APP) Http_server.listen (Options.port)Print "starting tornado at Port http://127.0.0.1:%d"%options.port tornado.ioloop.IOLoop.instance (). Start ()

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Tornado API Simple Template